Please solve the following question:

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An ice cream cone consiting of a cone is surmounted by a hemisphere. The common radius of the hemisphere and the cone is 3.5 cm and the total height of the ice cream cone is 12.5 cm. Calculate the volume of ice cream in the cone.

Given, radius of hemisphere = radius of cone = r = 3.5 cm

Now, total height of ice cream cone = 12.5 cm

Therefore, height of conical part = total height of ice cream cone - height of hemisphere

⇒ height of conical part = 12.5 cm - 3.5 cm = 9 cm

Now, volume of ice-cream in the cone = volume of conical part + volume of hemisphere

  • 3

In question  height of total Height of the cone with hemisphere is 12.5 so height of cone =12.2-3.5=9.0cm

Volume of ice cream =volume of  cone +volume of hemisphere 

=22/7r2h+4/3*22/7r3

=22/7*r2(h+4/3r)

=22/7*(3.5)2(9+4/3*3.5)

=38.465(13.66)

=525.69cm3

  • 2
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